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Product FOB Price Min.Order Supply Ability Supplier
Ferrous Sulphate FeSO4·7H2O & FeSO4·H2O
Cas No: 7782-63-0
No Data 1 Kilogram 50 Metric Ton/Day Zouping Sanhao Chemical Co., Ltd . Contact Supplier
Ferrous sulfate heptahydrate
Cas No: 7782-63-0
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Factory price high quality food grade ferrous sulfate manufacturer supply
Cas No: 7782-63-0
USD $ 1.0-3.0 / Metric Ton 1 Metric Ton 10 Metric Ton/Day Hebei yanxi chemical co.,LTD. Contact Supplier
Fresh In Stock:Ferrous Sulfate Heptahydrate 97% with BEST PRICE
Cas No: 7782-63-0
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Scale Chemical Corporation Contact Supplier
Ferrous sulfate heptahydrate
Cas No: 7782-63-0
No Data 1 Metric Ton 1000 Metric Ton/Year Hefei TNJ chemical industry co.,ltd Contact Supplier
Ferrous sulfate heptahydrate CAS 7782-63-0 In stock
Cas No: 7782-63-0
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 5 Metric Ton/Day Chemwill Asia Co., Ltd. Contact Supplier
High quality Ferrous Sulfate Heptahydrate 97% supplier in China
Cas No: 7782-63-0
No Data No Data No Data Simagchem Corporation Contact Supplier
Ferrous sulfate heptahydrate CAS: 7782-63-0
Cas No: 7782-63-0
USD $ 1.0-2.0 / Metric Ton 5 Metric Ton 2000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Hot sale 7782-63-0 Iron(II) sulfate heptahydrate/Ferrous sulfate heptahydrate with best price
Cas No: 7782-63-0
USD $ 1000.0-1500.0 / Kilogram 1 Kilogram 100 Metric Ton/Month Crovell Biotech (Hebei) Co., Ltd. Contact Supplier
iron(2+) sulfate heptahydrate CAS NO.7782-63-0
Cas No: 7782-63-0
No Data 1 Kilogram 500 Metric Ton/Month HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier

7782-63-0 Usage

Purification Methods

Crystallise the sulfate from 0.4M H2SO4, or precipitate it from an aqueous solution with EtOH. It is efflorescent in dry air, and is converted to the tetrahydrate at 57o, then to the monohydrate at 65o (or by heating the heptahydrate in a vacuum at 140o). It forms a brown-black complex, FeSO4.NO, with nitric oxide and is used in a qualitative test for nitrates (“brown ring” test).


Used in quantitative analysis of nitrates .


In manufacture of Fe, Fe Compounds, other sulfates; in Fe electroplating baths; in fertilizer; as food and feed supplement; in radiation dosimeters; as reducing agent in chemical processes; as wood preservative; as weed-killer; in prevention of chlorosis in plants; in other pesticides; in writing ink; in process engraving and lithography; as dye for leather; in etching aluminum; in water treatment; in qualitative analysis ("brown ring" test for nitrates); as polymerization catalyst.


As analytical reagent; as raw material for ferrite; raw material to produce magnetic iron oxide, iron(III) oxide and iron blue inorganic pigment, iron catalyst and poly iron sulfate; as chromatographic reagent. In agriculture, it is used as pesticide in agriculture to control wheat smut, scab of apple and bear, fruit tree decay; as fertilizer to remove moss and lichen of food trunk. Medically it is used as local astringent, blood tonic and anti-anemia.  Ferrous sulfate heptahydrate (feed grade) can be used as the iron fortifier for feed additive. Ferrous sulfate heptahydrate (food grade) is used as nutrition supplements, such as iron fortifier, coloring agent for fruit and vegetable. According to Chinese regulation, it can be used in following foods and with allowed amounts:
Sweets with filling and salt: 3000~6000 mg/kg;
Cereals with high iron content and corresponding products (maximum daily consumption 50g): 860~960 mg/kg;
Dairy and infant foods: 300-500 mg/kg;
Cereals and corresponding products: 120~140 mg/kg;
Beverages: 50~100 mg/kg. It is used to produce iron salt, iron oxide pigment, mordant, water purifier, preservatives, disinfectant, etc.

Health Hazard

INGESTION: abdominal pain, retching, diarrhea, dehydration, shock, pallor, cyanosis, rapid or weak pulse, shallow respiration, low blood pressure.

Chemical Properties

light blue or light blue-green solid

Storage and Transport

Stored in well-ventilated area, low temperature and dry.

Chemical properties

Blue-green crystals (monoclinic system) or granules, odorless. Soluble in water, slightly soluble in alcohol, soluble in anhydrous methanol.

Extinguishing Agent

Water, carbon dioxide, dry powder, sand.


Toxic substance

Flammability Hazardous Characteristics

Not flammable, change into ferric oxide smoke at high temperature.

General Description

A greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64°C and loses the seven waters of hydration at 90°C. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used for water or sewage treatment, as a fertilizer ingredient.

Solubility in water (g/100mL)

Dissolved grams in 100 mL water at different temperatures (°C):
28.8g/0℃: 40g/10℃;48g/20℃;60g/30℃;73.3g/40℃
101g/60℃: 79.9g/70℃;68.3g/80℃;57.8g/90℃

Acute Toxicity

Oral-rat LD50: 1389 mg/kg; oral-mouse LD50: 1520 mg/kg.

Toxicity Grading

Middle toxic


  • By-product Method: byproduct of titanium dioxide production:
Titanite is decomposed with sulfuric acid to obtain titanium dioxide, ferrous sulfate(II) and ferric sulfate (III). Iron (III) compounds are reduced to obtain iron (II) compounds. The mixture is then cooled and crystallized to form ferrous sulfate.
  • Sulfuric acid method
Scrap iron is dissolved with a mixture of diluted sulfuric acid solution and mother solution. The reaction temperature should be below 80°C, otherwise, it results in the sedimentation of ferrous sulfate monohydrate. Clarification is applied to remove impurities from the slightly acidic ferrous sulfate solution. Cooling and centrifugation are carried out obtain light-green ferrous sulfate.

Reactivity Profile

Ferrous sulfate heptahydrate is a weak reducing agent.


ChEBI: A hydrate that is the heptahydrate form of iron(2+) sulfate. It is used as a source of iron in the treatment of iron-deficiency anaemia (generally in liquid-dosage treatments; for solid-dosage treatments, the monohydrate is normally used).

Air & Water Reactions

Water soluble

7782-63-0 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
USP (1270355)  Ferrous sulfate  United States Pharmacopeia (USP) Reference Standard 7782-63-0 1270355-1.5G 4,326.66CNY Detail
Sigma-Aldrich (F7002)  Iron(II)sulfateheptahydrate  ReagentPlus®, ≥99% 7782-63-0 F7002-1KG 1,034.28CNY Detail
Sigma-Aldrich (F7002)  Iron(II)sulfateheptahydrate  ReagentPlus®, ≥99% 7782-63-0 F7002-500G 635.31CNY Detail
Sigma-Aldrich (F7002)  Iron(II)sulfateheptahydrate  ReagentPlus®, ≥99% 7782-63-0 F7002-250G 358.02CNY Detail
Vetec (V900038)  Iron(II)sulfateheptahydrate  Vetec reagent grade, 99% 7782-63-0 V900038-500G 65.52CNY Detail
Sigma-Aldrich (31236)  Iron(II)sulfateheptahydrate  puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.0-103.4% (manganometric) 7782-63-0 31236-1KG 1,866.15CNY Detail
Sigma-Aldrich (31236)  Iron(II)sulfateheptahydrate  puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.0-103.4% (manganometric) 7782-63-0 31236-100G 455.13CNY Detail
Sigma-Aldrich (12354)  Iron(II)sulfateheptahydrate  puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 7782-63-0 12354-25KG-H 4,389.84CNY Detail
Sigma-Aldrich (12354)  Iron(II)sulfateheptahydrate  puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 7782-63-0 12354-4X5KG 8,968.05CNY Detail
Sigma-Aldrich (12354)  Iron(II)sulfateheptahydrate  puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 7782-63-0 12354-6X1KG 5,861.70CNY Detail
Sigma-Aldrich (12354)  Iron(II)sulfateheptahydrate  puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 7782-63-0 12354-5KG 3,801.33CNY Detail
Sigma-Aldrich (12354)  Iron(II)sulfateheptahydrate  puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 7782-63-0 12354-2.5KG 2,846.61CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017


1.1 GHS Product identifier

Product name iron(2+) sulfate heptahydrate

1.2 Other means of identification

Product number -
Other names Ferrous sulfate heptahydrate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7782-63-0 SDS

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